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Taking a decibel to be

Taking a decibel to be an increase in pressure of 12.2%, by what factor has the pressure changed when the sound level has fallen
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2. asked by Steeve
3. 1,121 views
An amplifier has an input power of 5 mW. The output power is 100 mW. What is the decibel gain to the nearest decibel?
1. 1 answer
2. 227 views
An amplifier has an input power of 5 mW. The output power is 100 mW. What is the decibel gain to the nearest decibel?
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2. asked by Erica
3. 3,345 views
the decibel level of a person talking in a room is 65.0 dB relative to the threshold of hearing determine the decibel level if 6
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2. asked by Cookie
3. 510 views
The decibel level of a sound is given by dB=10log(EE0), where E0=10−12wattsm2 and E is the intensity of the sound.(a) Find the
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2. asked by Sarah
3. 2,038 views
When the volume control on a stereo system is increased, the voltage across a loudspeaker changes from V1 to V2, and the decibel
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2. asked by Help plis
3. 688 views
A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is
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2. asked by Anonymous
3. 503 views
A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is
1. 1 answer
2. 145 views
A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is
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2. asked by lucy
3. 791 views
A constant tone is being applied to a speaker. The voltage across the speaker is 5 volts. The voltage across the speaker is
1. 1 answer
2. asked by Chris
3. 884 views